using System;
using System.Net;
using System.Text;
using System.Threading;
using MySql.Data.MySqlClient;
using Newtonsoft.Json;
using System.Collections.Generic;

class Program
{
  static void Main()
  {
    // Create an HttpListener to handle incoming HTTP requests
    HttpListener listener = new HttpListener();

    // Add a prefix to listen to, e.g., http://localhost:8080/
    listener.Prefixes.Add("http://localhost:5000/");

    // Start listening for incoming requests
    listener.Start();
    Console.WriteLine("Server is listening on http://localhost:5000/");

    // Handle requests on a separate thread to keep server responsive
    Thread listenerThread = new Thread(() =>
    {
      while (true)
      {
        // Wait for a request
        HttpListenerContext context = listener.GetContext();

        // Get the request and response objects
        HttpListenerRequest request = context.Request;
        HttpListenerResponse response = context.Response;

        // Check if the requested URL is /api
        if (request.Url.AbsolutePath == "/api")
        {
          // Prepare a response message
          string responseMessage = "Hello from the API endpoint!";
          byte[] buffer = Encoding.UTF8.GetBytes(responseMessage);

          // Set the response content type and write the response
          response.ContentType = "text/plain";
          response.ContentLength64 = buffer.Length;
          response.OutputStream.Write(buffer, 0, buffer.Length);
        }
        else
        {
          // Return 404 for other paths
          response.StatusCode = 404;
          string errorMessage = "Not Found";
          byte[] buffer = Encoding.UTF8.GetBytes(errorMessage);
          response.ContentType = "text/plain";
          response.ContentLength64 = buffer.Length;
          response.OutputStream.Write(buffer, 0, buffer.Length);
        }

        // Close the response
        response.OutputStream.Close();
      }
    });

    // Start the listener thread
    listenerThread.Start();
  }
}